<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>07-盒子模型-内边距</title>
    <style>
        div {
            width: 200px;
            height: 200px;
            background-color: skyblue;

            padding-top: 20px;
            padding-left: 20px;
        }
    </style>
</head>
<body>
    <h1>内边距</h1>

    <div>内边距padding</div>
</body>
</html>